How far is Laredo, TX from Port Isabel, TX?
The driving distance from Laredo, TX to Port Isabel, TX is about 219.3 miles (352.9 km), with a travel time of about 04h 14m by car.
- The straight-line flight distance is about 172.9 miles (278.3 km).
- For a round trip, plan for roughly 08h 28m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 04h 14m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Laredo and Port Isabel.
Turn-by-Turn Driving Directions
Step-by-step road directions between Laredo and Port Isabel.
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1
Start on Matamoros Street
1.1 km · 1 min · Matamoros Street
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2
Continue on Chihuahua Street
1 mi · 2 min · Chihuahua Street
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3
Turn right onto North Meadow Avenue
2 mi · 4 min · North Meadow Avenue
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4
Turn right onto South Zapata Highway
5.4 mi · 8 min · South Zapata Highway
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5
Continue on US Highway 83 South
14.2 mi · 16 min · US Highway 83 South
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6
Continue on United States Highway 83
54.3 mi · 1 hr 1 min · United States Highway 83
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7
Continue on North Grant Street
17.4 mi · 20 min · North Grant Street
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8
Continue on United States Highway 83
7.7 mi · 9 min · United States Highway 83
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9
Continue on West Main Street
2353 ft · 33 sec · West Main Street
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10
Continue on East Main Street
1.9 mi · 2 min · East Main Street
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11
Continue on East US Highway 83
15.1 mi · 17 min · East US Highway 83
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12
Continue on West Expressway 83
3.1 mi · 4 min · West Expressway 83
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13
Keep slight left to continue on La Joya Bypass
53.9 mi · 1 hr · La Joya Bypass
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14
Keep slight right to continue on I 69E South, US 77, US 83: Brownsville
1.5 km · 1 min
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15
Merge slight left onto U.S. Highway 77
13.2 mi · 15 min · U.S. Highway 77
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16
Continue on North Expressway
2.1 mi · 2 min · North Expressway
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17
Keep slight right to continue on Interstate 169
3.7 mi · 4 min · Interstate 169
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18
Continue on I-169, TX 550 Toll
1.3 km · 52 sec · I-169, TX 550 Toll
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19
Continue straight
2 mi · 2 min
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20
Continue on State Highway 550
3.7 mi · 4 min · State Highway 550
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21
Turn left
1123 ft · 27 sec
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22
Merge slight left onto Brownsville-Port Isabel Highway
14.1 mi · 16 min · Brownsville-Port Isabel Highway
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23
Turn right onto State Highway 100
1 mi · 3 min · State Highway 100
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24
Turn slight right onto West Queen Isabella Boulevard
779 ft · 24 sec · West Queen Isabella Boulevard
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25
Turn right onto South Musina Street
865 ft · 25 sec · South Musina Street
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26
Arrive at your destination
0 m · 1 sec · South Musina Street
Car Route Details
A richer read on the saved driving route between Laredo and Port Isabel.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
United States Highway 83
Continue on United States Highway 83
54.3 mi · 01h 01m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Showers And Thunderstorms leaving Laredo and Showers And Thunderstorms Likely near Port Isabel.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Laredo to Port Isabel?
The road trip is about 219.3 miles (352.9 km) and usually takes 04h 14m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
La Puerta is a useful midpoint, sitting about 109.7 miles from Laredo and 109.5 miles from Port Isabel.
How much longer is the road route than the straight-line distance?
The direct path is about 172.9 miles (278.3 km), while the road route adds roughly 46.4 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:32 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.25 one way or $58.50 round trip. Estimated CO2 is about 68.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Laredo and Showers And Thunderstorms Likely near Port Isabel.
Stop Ideas Near La Puerta
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to La Puerta.
McAllen, Texas
Harlingen, Texas
Flight Path Map
This map shows the direct air route between Laredo and Port Isabel. Straight-line distance: 172.93 mi (278.31 km).
#1 Laredo
The third most populous city in Texas and the center of the Laredo metropolitan area.
| Population | 263,640 |
| Coordinates | 27.5064100, -99.5075400 |
| Altitude | 126 |
| Country | United States |
#2 Port Isabel
City in Cameron County, Texas, United States
| Population | 6,226 |
| Coordinates | 26.0734100, -97.2085800 |
| Altitude | 2 |
| Country | United States |
End: Port Isabel (-97.20858, 26.07341)
Estimated Travel Time
Distance: 353 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 18m |
| 40 mph (64.37 km/h) | 05h 28m |
| 50 mph (80.47 km/h) | 04h 23m |
| 60 mph (96.56 km/h) | 03h 39m |
| 70 mph (112.65 km/h) | 03h 07m |
| 80 mph (129 km/h) | 02h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $29.25 | $58.50 |
| Mid-grade | $4.25 | $32.91 | $65.82 |
| Premium | $4.59 | $35.53 | $71.07 |
| Diesel | $3.99 | $30.91 | $61.81 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Texas · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.